I think veganism is stupid but there are dozens of top-tier athletes across all sports and both genders that are vegan. Cam's performance had basically nothing to do with veganism, which isn't far off from what his diet used to be (pescatarian).

4/8 playoff seasons. 3 division titles in the league’s toughest division.
How many playoff games has Garrett won? How many Super Bowls has Garrett coached? How many coach of the year awards does Garrett have?